San Juan Bautista, CA Weather & Growing Conditions
Today
77°F
Sunny
Sunny. High near 77, with temperatures falling to around 73 in the afternoon. West wind 2 to 14 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Sunny | 2 to 14 mph W | 0% |
| Tonight | 54°F | Partly Cloudy | 2 to 12 mph SSW | 0% |
| Sunday | 72°F | Patchy Fog then Mostly Cloudy | 2 to 13 mph W | 1% |
| Sunday Night | 54°F | Mostly Cloudy | 5 to 10 mph SW | 2% |
| Monday | 70°F | Mostly Sunny | 3 to 15 mph WSW | 0% |
| Monday Night | 54°F | Partly Cloudy | 2 to 15 mph WSW | 0% |
| Tuesday | 72°F | Patchy Fog then Mostly Sunny | 2 to 14 mph WSW | 0% |
| Tuesday Night | 54°F | Mostly Clear | 0 to 14 mph SW | 0% |
| Wednesday | 85°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 60°F | Mostly Clear | 0 to 10 mph NNW | 0% |
| Thursday | 88°F | Sunny | 0 to 13 mph W | 0% |
| Thursday Night | 60°F | Mostly Clear | 1 to 13 mph SW | 0% |
| Friday | 80°F | Mostly Sunny | 1 to 15 mph WSW | 0% |
| Friday Night | 56°F | Partly Cloudy | 2 to 15 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Juan Bautista, CA
Last spring frost
Feb 19
First fall frost
Dec 1
Growing season
287 days
Hardiness zone
9b
Explore more for San Juan Bautista, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Hollister 2, Ca (5.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.